13394666 has 16 divisors (see below), whose sum is σ = 21304320. Its totient is φ = 6305040.

The previous prime is 13394651. The next prime is 13394701. The reversal of 13394666 is 66649331.

13394666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (1331520).

Almost surely, 2^13394666 is an apocalyptic number.

13394666 is a deficient number, since it is larger than the sum of its proper divisors (7909654).

13394666 is a wasteful number, since it uses less digits than its factorization.

13394666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909.

The product of its digits is 69984, while the sum is 38.

The square root of 13394666 is about 3659.8724021474. The cubic root of 13394666 is about 237.4892538074.

The spelling of 13394666 in words is "thirteen million, three hundred ninety-four thousand, six hundred sixty-six".